Amphibians Active day and night

Daruma Pond Frog

Pelophylax porosus

iNaturalist Wikipedia

A stout and spirited jumper endemic to Japan, the Daruma Pond Frog is the iconic voice of the traditional rice paddy. With its beautiful spotted pattern and rounded frame, it is a master of the shoreline and a favorite of backyard pond enthusiasts.

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0 Habitats

Quick Identification

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Size

Males range from 3.5 to 6.2 cm (1.4–2.4 in), while females are larger at 3.7 to 7.3 cm (1.5–2.9 in)

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Colors

Green to light brown dorsal side with dark irregular spots; creamy white underbelly; often features a light-colored vertebral stripe

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Key Features

Stout, rounded 'Daruma' body shape
Prominent ridges (dorsolateral folds) along the back
Distinct dark spotting on a green or tan base
Shorter hind legs compared to other Japanese pond frogs

When You’ll See Them

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Activity pattern Active day and night

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Peak hours Dawn, dusk, and nighttime during breeding season

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Season April to September

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Diet Carnivorous generalist eating mostly insects, spiders, snails, and occasionally smaller amphibians

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Habitat Wetlands, rice paddies, slow-moving irrigation ditches, and garden ponds

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Where Does the Daruma Pond Frog Live?

The Daruma Pond Frog is a specialized resident of East Asia, found exclusively within the Japanese archipelago. It is endemic to the islands of Honshu, Shikoku, and Kyushu, where it has historically thrived in the 'satoyama' landscapes of traditional agriculture. While its presence is tied to these lowland regions, its distribution is split between two subspecies: one favoring the Tokyo region and the other found more frequently around Nagoya and western Japan.

Basemap © OpenStreetMap contributors

1 Countries

230K km² Range

Least Concern Conservation

JP Japan

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iNaturalist / Verified observation data

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Behavior

The Daruma Pond Frog is a highly alert and somewhat shy amphibian that spends the majority of its life at the interface of land and water. They are famous for their powerful leaps; when startled, they dive into the water with a characteristic 'squeak' and hide in the bottom mud. During the day, they can often be found basking in the sun to regulate their body temperature, though they remain ready to retreat at the slightest vibration or movement.

During the breeding season, which typically runs from May to July, the behavior of these frogs becomes much more social and vocal. Males congregate in shallow water, particularly in flooded rice paddies, to produce a rhythmic, croaking chorus designed to attract females. This sound is a classic hallmark of the Japanese countryside. Outside of the breeding season, they are solitary hunters that use a 'sit-and-wait' strategy to catch passing prey.

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Camera Tips

To successfully capture the Daruma Pond Frog on camera, placement is everything. Position your camera extremely low—just a few inches above the ground—at the very edge of a pond or a wet ditch. Use a wide-angle setting if available, and try to angle the lens slightly downward to cover the muddy shoreline where they like to bask and hunt. Because these frogs are sensitive to vibrations, a remote-triggered camera or one with a highly sensitive passive infrared (PIR) sensor is ideal.

If you are setting up in a backyard, you can 'bait' the area indirectly by placing a small solar light near the water's edge. This light will attract nocturnal insects like moths and beetles, which in turn will draw the Daruma Pond Frog into your camera's field of view. Providing a flat 'basking stone' that sits just above the water level can also provide a consistent focal point for your shots, as the frogs will return to the same sunny spot daily.

During the spring breeding season, switch your camera to video mode with audio enabled. The visual of a male frog inflating its vocal sacs is impressive, but the sound of the chorus is what truly brings the footage to life. Use high-quality infrared night vision settings rather than a white flash, as a bright light will often cause the frog to stop calling and dive into the water, ending your recording session prematurely. Ensure your housing is waterproof, as these frogs are most active during the humid, rainy nights of the Tsuyu (rainy season).

Frequently Asked Questions

Daruma Pond Frogs are active during both the day and night. They bask in the sun during daylight hours to stay warm and become highly vocal and active hunters after sunset, especially during the humid summer months.

The best way to attract them is to build a chemical-free garden pond with a shallow, sloping 'beach' area. Adding native aquatic plants and avoiding the use of pesticides will ensure there is plenty of insect prey for them to eat.

They are opportunistic carnivores. Their diet consists primarily of small invertebrates like flies, dragonflies, beetles, and spiders, but they may occasionally eat smaller frogs or tadpoles if the opportunity arises.

Yes, they are relatively common in suburban areas of Japan that have remained near agricultural land or contain large parks with permanent water features and irrigation systems.

The Daruma Pond Frog is notably stouter and more 'round' (resembling a Daruma doll) with shorter legs and a blunter snout. The Black-spotted Pond Frog is more slender and has longer hind legs designed for further jumping.

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